Dell 5423 owner manual Removing the Thermal-Cooling Assembly

27 Removing the Thermal-Cooling Assembly

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/ regulatory_compliance.

Prerequisites

1Remove the memory module(s). 

See "Removing the Memory Module(s)" on page 11.

2Remove the optical drive. 

See "Removing the Optical-Drive Assembly" on page 15.

3Remove the keyboard. See "Removing the Keyboard" on page 19.

4Remove the palm-rest assembly. 

See "Removing the Palm-Rest Assembly" on page 25.

5Remove the battery. See "Removing the Battery" on page 31.

6Remove the hard drive. See "Removing the Hard Drive" on page 35.

7Remove the wireless Mini-Card. 

See "Removing the Wireless Mini-Card" on page 39.

8Follow the instructions from step 1 to step 4 in "Removing the System Board" on page 57.

Removing the Thermal-Cooling Assembly 67